"I absolutely do [worry]," she told CNN's Piers Morgan Tonight. "My hope is that at least I'll have that much more awareness that I need to get help. I mean, I waited so long to get help with my depression. And that was unnecessary. It totally was."

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Howard added that she had found some "comfort" in knowing that there were people to help her "handle" a repeat bout of depression.

"Just kind of knowing that if it does happen, it is chemical. And there is treatment, and then it will be over, you know? It might be really tough afterwards. And I might go through that again. But just to know that I can handle is just very comforting for me."